If your Ovia app has stopped tracking your data, please follow these steps to troubleshoot and resolve the issue:

1. Check Your Data Entry: The Ovia app relies on regular input of your period and other health data to make accurate predictions. Ensure that you've entered your recent cycles thoroughly. If the app doesn't have sufficient data, it may stop making predictions or tracking - learn more.

2. Update the App: Make sure you are using the latest version of the app. Go to the App Store, search for Ovia, and see if there is an available update. Installing updates often fixes bugs and improves functionality.

3. Restart Your Device: Sometimes, simply restarting your iPhone can resolve app malfunctions. Press and hold the power button to turn off your device, then turn it back on after a few seconds.

4. Check for Permissions: Ensure the app has the necessary permissions to access your health data. Go to your phone's settings, select Privacy, then Health. Navigate to Ovia and confirm that all relevant permissions are enabled.

5. Reinstall the App: If the issue persists, consider uninstalling and reinstalling the Ovia app. This can clear any software glitches. Tap and hold the app icon, select "Remove App," then go to the App Store to download it again.

6. Contact Support: If none of the above steps work, reach out to Ovia’s support for assistance. You can usually do this within the app under "Settings" or by visiting their website.

By following these steps, you should be able to restore tracking functionality in your Ovia app. For additional troubleshooting tips, you can refer to various community discussions and guides related to the app's common issues - learn more.